Class: TestAnimationToTTS

Inherits:
Minitest::Test
  • Object
show all
Defined in:
lib/parse_animation_to_tts.rb

Overview

REQUIREMENTS: Test class for comprehensive testing of all functionality SEMANTIC TOKENS: TEST_CLASS, TEST_METHODS, TEST_DATA, TEST_ASSERTIONS ARCHITECTURE: Test architecture with comprehensive coverage IMPLEMENTATION: Test implementation with all requirements coverage TEST: Test all functionality with various inputs and edge cases CROSS-REFERENCE: See REQUIREMENTS UPDATE for testing requirements CROSS-REFERENCE: See SEMANTIC TOKENS UPDATE for testing tokens CROSS-REFERENCE: See ARCHITECTURE UPDATE for testing architecture CROSS-REFERENCE: See IMPLEMENTATION UPDATE for testing implementation CROSS-REFERENCE: See TEST UPDATES NEEDED for comprehensive testing CROSS-REFERENCE: See CODE UPDATES for testing code changes

Instance Method Summary collapse

Instance Method Details

#create_test_file(content, filename = nil) ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2154

def create_test_file(content, filename = nil)
  # REQUIREMENTS: Create temporary test files with content
  # SEMANTIC TOKENS: TEST_FILE_CREATE, TEMPORARY_FILES, CONTENT_MANAGEMENT
  # ARCHITECTURE: Test file creation architecture
  # IMPLEMENTATION: Create temporary files with specified content
  # TEST: Test file creation with various content types
  
  filename ||= "test_#{@test_files.length + 1}.anim"
  file_path = File.join(@temp_dir, filename)
  File.write(file_path, content)
  @test_files << file_path
  file_path
end

#setup ⇒ Object

REQUIREMENTS: Test class initialization and configuration SEMANTIC TOKENS: TEST_INIT, TEST_CONFIG, TEST_SETUP ARCHITECTURE: Test setup and teardown architecture IMPLEMENTATION: Test setup with temporary files and data TEST: Test initialization with various configurations



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# File 'lib/parse_animation_to_tts.rb', line 2132

def setup
  # REQUIREMENTS: Setup test environment with temporary files
  # SEMANTIC TOKENS: TEST_SETUP, TEMPORARY_FILES, TEST_DATA
  # ARCHITECTURE: Test environment setup architecture
  # IMPLEMENTATION: Create temporary files and test data
  # TEST: Test setup with various file configurations
  
  @temp_dir = Dir.mktmpdir('animation_to_tts_test')
  @test_files = []
  @parser = nil
end

#teardown ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2144

def teardown
  # REQUIREMENTS: Cleanup test environment
  # SEMANTIC TOKENS: TEST_TEARDOWN, CLEANUP, RESOURCE_MANAGEMENT
  # ARCHITECTURE: Test cleanup architecture
  # IMPLEMENTATION: Clean up temporary files and resources
  # TEST: Test cleanup with various resource states
  
  FileUtils.rm_rf(@temp_dir) if File.exist?(@temp_dir)
end

#test_audio_generation_from_html_files ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3886

def test_audio_generation_from_html_files
  # REQUIREMENTS: Test audio generation from HTML files
  # SEMANTIC TOKENS: HTML_AUDIO_GEN, HTML_PARSING, AUDIO_CREATION
  # ARCHITECTURE: HTML file audio generation testing
  # IMPLEMENTATION: Test HTML file parsing and audio generation
  # TEST: Test HTML file audio generation
  temp_dir = Dir.mktmpdir
  begin
    # Create test HTML file
    html_content = <<~HTML
      <!DOCTYPE html>
      <html>
      <head><title>Test Document</title></head>
      <body>
        <h1>Main Title</h1>
        <p>This is a paragraph with text content.</p>
        <h2>Subtitle</h2>
        <p>Another paragraph with more text.</p>
      </body>
      </html>
    HTML
    
    html_file = File.join(temp_dir, "test.html")
    File.write(html_file, html_content)
    
    # Test audio generation
    parser = AnimationToTTS.new([html_file], quiet: true)
    segments = parser.parse
    
    # Should extract text content from HTML
    assert segments.length > 0, "Should extract text segments from HTML"
    
    # Test audio generation
    tts_engine = TTSEngineFactory.create
    if tts_engine
      segment_generator = AudioSegmentGenerator.new(tts_engine, quiet: true)
      segments_metadata = segment_generator.generate_segments(segments)
      
      assert segments_metadata.length > 0, "Should generate audio segments"
      assert segments_metadata.all? { |s| s['audio_file'] && File.exist?(s['audio_file']) }, "Should create valid audio files"
    end
    
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_generation_from_markdown_files ⇒ Object

REQUIREMENTS: Test audio generation from source files SEMANTIC TOKENS: SOURCE_FILE_AUDIO_GEN, TEXT_EXTRACTION, AUDIO_OUTPUT ARCHITECTURE: Source file audio generation testing IMPLEMENTATION: Test audio generation from various source file formats TEST: Test source file audio generation functionality



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# File 'lib/parse_animation_to_tts.rb', line 3796

def test_audio_generation_from_markdown_files
  # REQUIREMENTS: Test audio generation from markdown files
  # SEMANTIC TOKENS: MARKDOWN_AUDIO_GEN, TEXT_PARSING, AUDIO_CREATION
  # ARCHITECTURE: Markdown file audio generation testing
  # IMPLEMENTATION: Test markdown file parsing and audio generation
  # TEST: Test markdown file audio generation
  temp_dir = Dir.mktmpdir
  begin
    # Create test markdown file
    markdown_content = <<~MARKDOWN
      # Test Document
      
      This is a test paragraph with some text.
      
      ## Section 2
      
      Another paragraph with more text content.
      
      ### Subsection
      
      Final paragraph with additional text.
    MARKDOWN
    
    markdown_file = File.join(temp_dir, "test.md")
    File.write(markdown_file, markdown_content)
    
    # Test audio generation
    parser = AnimationToTTS.new([markdown_file], quiet: true)
    segments = parser.parse
    
    # Should extract text content from markdown
    assert segments.length > 0, "Should extract text segments from markdown"
    
    # Test audio generation
    tts_engine = TTSEngineFactory.create
    if tts_engine
      segment_generator = AudioSegmentGenerator.new(tts_engine, quiet: true)
      segments_metadata = segment_generator.generate_segments(segments)
      
      assert segments_metadata.length > 0, "Should generate audio segments"
      assert segments_metadata.all? { |s| s['audio_file'] && File.exist?(s['audio_file']) }, "Should create valid audio files"
    end
    
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_generation_from_text_files ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3844

def test_audio_generation_from_text_files
  # REQUIREMENTS: Test audio generation from plain text files
  # SEMANTIC TOKENS: TEXT_FILE_AUDIO_GEN, PLAIN_TEXT_PARSING, AUDIO_CREATION
  # ARCHITECTURE: Text file audio generation testing
  # IMPLEMENTATION: Test text file parsing and audio generation
  # TEST: Test text file audio generation
  temp_dir = Dir.mktmpdir
  begin
    # Create test text file
    text_content = <<~TEXT
      This is a plain text file.
      
      It contains multiple paragraphs.
      
      Each paragraph should be converted to audio.
    TEXT
    
    text_file = File.join(temp_dir, "test.txt")
    File.write(text_file, text_content)
    
    # Test audio generation
    parser = AnimationToTTS.new([text_file], quiet: true)
    segments = parser.parse
    
    # Should extract text content from plain text
    assert segments.length > 0, "Should extract text segments from plain text"
    
    # Test audio generation
    tts_engine = TTSEngineFactory.create
    if tts_engine
      segment_generator = AudioSegmentGenerator.new(tts_engine, quiet: true)
      segments_metadata = segment_generator.generate_segments(segments)
      
      assert segments_metadata.length > 0, "Should generate audio segments"
      assert segments_metadata.all? { |s| s['audio_file'] && File.exist?(s['audio_file']) }, "Should create valid audio files"
    end
    
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_generation_with_custom_voice_settings ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3933

def test_audio_generation_with_custom_voice_settings
  # REQUIREMENTS: Test audio generation with custom voice settings
  # SEMANTIC TOKENS: CUSTOM_VOICE_SETTINGS, VOICE_CUSTOMIZATION, AUDIO_GEN
  # ARCHITECTURE: Custom voice settings testing
  # IMPLEMENTATION: Test voice settings application to audio generation
  # TEST: Test custom voice settings in audio generation
  temp_dir = Dir.mktmpdir
  begin
    # Create test file with voice settings
    test_content = "This is a test with custom voice settings."
    test_file = File.join(temp_dir, "test.txt")
    File.write(test_file, test_content)
    
    # Test audio generation with custom settings
    parser = AnimationToTTS.new([test_file], quiet: true)
    segments = parser.parse
    
    # Apply custom voice settings
    custom_settings = {
      speed: 1.5,
      pitch: 1.2,
      volume: 0.9
    }
    
    tts_engine = TTSEngineFactory.create
    if tts_engine
      segment_generator = AudioSegmentGenerator.new(tts_engine, quiet: true)
      segments_metadata = segment_generator.generate_segments(segments)
      
      # Verify custom settings were applied
      assert segments_metadata.length > 0, "Should generate audio segments"
      segments_metadata.each do |segment|
        assert segment['voice_settings'], "Should have voice settings"
        assert segment['audio_file'] && File.exist?(segment['audio_file']), "Should create valid audio files"
      end
    end
    
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_generation_with_multiple_files ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3975

def test_audio_generation_with_multiple_files
  # REQUIREMENTS: Test audio generation from multiple source files
  # SEMANTIC TOKENS: MULTI_FILE_AUDIO_GEN, BATCH_PROCESSING, AUDIO_CREATION
  # ARCHITECTURE: Multi-file audio generation testing
  # IMPLEMENTATION: Test multiple file processing and audio generation
  # TEST: Test multi-file audio generation
  temp_dir = Dir.mktmpdir
  begin
    # Create multiple test files
    files = []
    (1..3).each do |i|
      content = "This is test file number #{i} with some content."
      file_path = File.join(temp_dir, "test_#{i}.txt")
      File.write(file_path, content)
      files << file_path
    end
    
    # Test audio generation from multiple files
    parser = AnimationToTTS.new(files, quiet: true)
    segments = parser.parse
    
    # Should extract text from all files
    assert segments.length > 0, "Should extract text segments from multiple files"
    
    # Test audio generation
    tts_engine = TTSEngineFactory.create
    if tts_engine
      segment_generator = AudioSegmentGenerator.new(tts_engine, quiet: true)
      segments_metadata = segment_generator.generate_segments(segments)
      
      assert segments_metadata.length > 0, "Should generate audio segments from multiple files"
      assert segments_metadata.all? { |s| s['audio_file'] && File.exist?(s['audio_file']) }, "Should create valid audio files"
    end
    
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_metadata_generation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2645

def test_audio_metadata_generation
  # REQUIREMENTS: Test audio metadata generation
  # SEMANTIC TOKENS: TEST_AUDIO_METADATA, METADATA_GEN, AUDIO_PROPERTIES
  # ARCHITECTURE: Test audio metadata architecture
  # IMPLEMENTATION: Test audio metadata generation
  # TEST: Test audio metadata generation
  
  content = "TEXT@(0..2)=red\"Test metadata\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  segment = segments[0]
  
  # Test audio metadata
  assert segment.key?('file_path')
  assert segment.key?('source')
  assert segment['source'].key?('file')
  assert segment['source'].key?('line')
  assert_equal test_file, segment['source']['file']
  assert_equal 1, segment['source']['line']
end

#test_audio_segment_creation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2420

def test_audio_segment_creation
  # REQUIREMENTS: Test audio segment creation
  # SEMANTIC TOKENS: TEST_AUDIO_SEGMENT, SEGMENT_CREATE, AUDIO_METADATA
  # ARCHITECTURE: Test audio segment architecture
  # IMPLEMENTATION: Test audio segment creation
  # TEST: Test audio segment creation
  
  content = "TEXT@(1..3)=green\"Test audio segment\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  segment = segments[0]
  
  assert_equal "text_1", segment['id']
  assert_equal 1.0, segment['start_time']
  assert_equal 3.0, segment['end_time']
  assert_equal 2.0, segment['duration']
  assert_equal "Test audio segment", segment['text']
  assert_equal "green", segment['voice_settings']['color']
  assert segment['voice_settings']['speed'] > 0
  assert segment['voice_settings']['volume'] > 0
  assert segment['voice_settings']['pitch'] > 0
  assert_equal "audio/text_1.wav", segment['file_path']
  assert_equal test_file, segment['source']['file']
  assert_equal 1, segment['source']['line']
end

#test_audio_segment_generator_batch_processing ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3079

def test_audio_segment_generator_batch_processing
  # REQUIREMENTS: Test batch segment generation
  # SEMANTIC TOKENS: BATCH_SEGMENT_GEN, MULTIPLE_SEGMENTS
  # ARCHITECTURE: Batch processing testing
  # IMPLEMENTATION: Test batch segment generation functionality
  # TEST: Test batch audio segment generation
  temp_dir = Dir.mktmpdir
  
  begin
    tts_engine = TTSEngineFactory.create('auto', temp_dir: temp_dir)
    generator = AudioSegmentGenerator.new(tts_engine, temp_dir: temp_dir)
    
    # Test batch segment data
    segments_data = [
      {
        'text' => 'First segment',
        'source_file' => 'test.anim',
        'line_number' => 1,
        'start_time' => 0.0,
        'end_time' => 2.0,
        'color' => 'red'
      },
      {
        'text' => 'Second segment',
        'source_file' => 'test.anim',
        'line_number' => 2,
        'start_time' => 2.0,
        'end_time' => 4.0,
        'color' => 'blue'
      }
    ]
    
    # Mock the TTS engine to return test files
    mock_audio_files = [
      File.join(temp_dir, 'test_audio_1.wav'),
      File.join(temp_dir, 'test_audio_2.wav')
    ]
    
    mock_audio_files.each { |file| File.write(file, 'fake audio data') }
    
    # Mock the TTS engine generate_audio method
    call_count = 0
    tts_engine.define_singleton_method(:generate_audio) do |text, voice_settings|
      result = mock_audio_files[call_count]
      call_count += 1
      result
    end
    
    # Generate segments
    generated_segments = generator.generate_segments(segments_data)
    
    # Verify batch processing
    assert_equal 2, generated_segments.length
    assert_equal 'First segment', generated_segments[0]['text']
    assert_equal 'Second segment', generated_segments[1]['text']
    assert_equal 2, generator.generated_segments.length
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_segment_generator_cleanup ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3140

def test_audio_segment_generator_cleanup
  # REQUIREMENTS: Test audio file cleanup
  # SEMANTIC TOKENS: AUDIO_CLEANUP, TEMP_FILE_MANAGEMENT
  # ARCHITECTURE: Audio file cleanup testing
  # IMPLEMENTATION: Test audio file cleanup functionality
  # TEST: Test audio file cleanup and temporary file management
  temp_dir = Dir.mktmpdir
  
  begin
    tts_engine = TTSEngineFactory.create('auto', temp_dir: temp_dir)
    generator = AudioSegmentGenerator.new(tts_engine, temp_dir: temp_dir)
    
    # Create mock audio files
    mock_audio_file = File.join(temp_dir, 'test_audio.wav')
    File.write(mock_audio_file, 'fake audio data')
    
    # Mock the TTS engine
    tts_engine.define_singleton_method(:generate_audio) do |text, voice_settings|
      mock_audio_file
    end
    
    # Generate segment
    segment_data = {
      'text' => 'Hello world',
      'source_file' => 'test.anim',
      'line_number' => 1,
      'start_time' => 0.0,
      'end_time' => 2.0
    }
    
    generator.generate_segment(segment_data)
    
    # Verify file exists
    assert File.exist?(mock_audio_file)
    assert_equal 1, generator.generated_segments.length
    
    # Cleanup
    generator.cleanup
    
    # Verify file is removed and segments are cleared
    refute File.exist?(mock_audio_file)
    assert_equal 0, generator.generated_segments.length
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_segment_generator_color_pitch_mapping ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2991

def test_audio_segment_generator_color_pitch_mapping
  # REQUIREMENTS: Test color to pitch mapping
  # SEMANTIC TOKENS: COLOR_PITCH_MAPPING, VOICE_VARIATION
  # ARCHITECTURE: Color to pitch mapping testing
  # IMPLEMENTATION: Test color to pitch mapping functionality
  # TEST: Test color to pitch mapping and voice variation
  temp_dir = Dir.mktmpdir
  
  begin
    tts_engine = TTSEngineFactory.create('auto', temp_dir: temp_dir)
    generator = AudioSegmentGenerator.new(tts_engine, temp_dir: temp_dir)
    
    # Test color to pitch mapping
    assert_equal 1.2, generator.send(:map_color_to_pitch, 'red')
    assert_equal 0.8, generator.send(:map_color_to_pitch, 'blue')
    assert_equal 1.0, generator.send(:map_color_to_pitch, 'green')
    assert_equal 1.1, generator.send(:map_color_to_pitch, 'yellow')
    assert_equal 0.9, generator.send(:map_color_to_pitch, 'purple')
    assert_equal 1.15, generator.send(:map_color_to_pitch, 'orange')
    assert_equal 1.05, generator.send(:map_color_to_pitch, 'pink')
    assert_equal 0.85, generator.send(:map_color_to_pitch, 'brown')
    assert_equal 1.0, generator.send(:map_color_to_pitch, 'black')
    assert_equal 1.0, generator.send(:map_color_to_pitch, 'white')
    
    # Test case insensitive
    assert_equal 1.2, generator.send(:map_color_to_pitch, 'RED')
    assert_equal 0.8, generator.send(:map_color_to_pitch, 'Blue')
    
    # Test unknown color
    assert_nil generator.send(:map_color_to_pitch, 'unknown')
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_segment_generator_error_handling ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3187

def test_audio_segment_generator_error_handling
  # REQUIREMENTS: Test audio segment generator error handling
  # SEMANTIC TOKENS: ERROR_HANDLING_TESTS, SEGMENT_GEN_ERRORS
  # ARCHITECTURE: Audio segment generator error handling testing
  # IMPLEMENTATION: Test error handling for segment generation failures
  # TEST: Test error handling for audio generation failures
  temp_dir = Dir.mktmpdir
  
  begin
    tts_engine = TTSEngineFactory.create('auto', temp_dir: temp_dir)
    generator = AudioSegmentGenerator.new(tts_engine, temp_dir: temp_dir)
    
    # Mock TTS engine to raise error
    tts_engine.define_singleton_method(:generate_audio) do |text, voice_settings|
      raise "TTS generation failed"
    end
    
    # Test error handling
    segment_data = {
      'text' => 'Hello world',
      'source_file' => 'test.anim',
      'line_number' => 1,
      'start_time' => 0.0,
      'end_time' => 2.0
    }
    
    assert_raises(RuntimeError, "TTS generation failed") do
      generator.generate_segment(segment_data)
    end
    
    # Verify no segments are tracked on error
    assert_equal 0, generator.generated_segments.length
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_segment_generator_initialization ⇒ Object

Audio Segment Generator Tests REQUIREMENTS: Test individual audio segment generation SEMANTIC TOKENS: SEGMENT_GEN_TESTS, AUDIO_SEGMENT_TESTING ARCHITECTURE: Audio segment generation testing architecture IMPLEMENTATION: Test audio segment generation functionality TEST: Test individual audio segment generation



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# File 'lib/parse_animation_to_tts.rb', line 2938

def test_audio_segment_generator_initialization
  # REQUIREMENTS: Test audio segment generator initialization
  # SEMANTIC TOKENS: SEGMENT_GENERATOR_INIT, GENERATOR_SETUP
  # ARCHITECTURE: Audio segment generator initialization testing
  # IMPLEMENTATION: Test audio segment generator creation
  # TEST: Test audio segment generator initialization
  temp_dir = Dir.mktmpdir
  
  begin
    tts_engine = TTSEngineFactory.create('auto', temp_dir: temp_dir)
    generator = AudioSegmentGenerator.new(tts_engine, temp_dir: temp_dir)
    
    refute_nil generator
    assert_equal tts_engine, generator.instance_variable_get(:@tts_engine)
    assert_equal temp_dir, generator.instance_variable_get(:@temp_dir)
    assert_equal 'wav', generator.instance_variable_get(:@output_format)
    assert_equal [], generator.generated_segments
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_segment_generator_segment_metadata ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3026

def test_audio_segment_generator_segment_metadata
  # REQUIREMENTS: Test segment metadata creation
  # SEMANTIC TOKENS: SEGMENT_METADATA_CREATE, AUDIO_METADATA
  # ARCHITECTURE: Segment metadata testing
  # IMPLEMENTATION: Test segment metadata creation functionality
  # TEST: Test segment metadata creation and tracking
  temp_dir = Dir.mktmpdir
  
  begin
    tts_engine = TTSEngineFactory.create('auto', temp_dir: temp_dir)
    generator = AudioSegmentGenerator.new(tts_engine, temp_dir: temp_dir)
    
    # Test segment data
    segment_data = {
      'text' => 'Hello world',
      'source_file' => 'test.anim',
      'line_number' => 5,
      'start_time' => 1.0,
      'end_time' => 3.0,
      'color' => 'red'
    }
    
    # Mock the TTS engine to return a test file
    mock_audio_file = File.join(temp_dir, 'test_audio.wav')
    File.write(mock_audio_file, 'fake audio data')
    
    # Mock the TTS engine generate_audio method
    tts_engine.define_singleton_method(:generate_audio) do |text, voice_settings|
      mock_audio_file
    end
    
    # Generate segment
    segment_metadata = generator.generate_segment(segment_data)
    
    # Verify metadata
    assert_equal mock_audio_file, segment_metadata['audio_file']
    assert_equal 'Hello world', segment_metadata['text']
    assert_equal 'test.anim', segment_metadata['source_file']
    assert_equal 5, segment_metadata['line_number']
    assert_equal 1.0, segment_metadata['start_time']
    assert_equal 3.0, segment_metadata['end_time']
    assert_equal 2.0, segment_metadata['duration']
    refute_nil segment_metadata['generated_at']
    refute_nil segment_metadata['voice_settings']
    
    # Verify segment is tracked
    assert_equal 1, generator.generated_segments.length
    assert_equal segment_metadata, generator.generated_segments.first
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_segment_generator_voice_settings_extraction ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2960

def test_audio_segment_generator_voice_settings_extraction
  # REQUIREMENTS: Test voice settings extraction from segment data
  # SEMANTIC TOKENS: VOICE_SETTINGS_EXTRACT, SEGMENT_DATA_PROC
  # ARCHITECTURE: Voice settings extraction testing
  # IMPLEMENTATION: Test voice settings extraction functionality
  # TEST: Test voice settings extraction and processing
  temp_dir = Dir.mktmpdir
  
  begin
    tts_engine = TTSEngineFactory.create('auto', temp_dir: temp_dir)
    generator = AudioSegmentGenerator.new(tts_engine, temp_dir: temp_dir)
    
    # Test segment data with voice settings
    segment_data = {
      'text' => 'Hello world',
      'speed' => '1.5',
      'pitch' => '1.2',
      'volume' => '0.9',
      'color' => 'red'
    }
    
    voice_settings = generator.send(:extract_voice_settings, segment_data)
    
    assert_equal 1.5, voice_settings[:speed]
    assert_equal 1.2, voice_settings[:pitch]
    assert_equal 0.9, voice_settings[:volume]
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_stitcher_cleanup ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3449

def test_audio_stitcher_cleanup
  # REQUIREMENTS: Test audio stitcher cleanup
  # SEMANTIC TOKENS: STITCHED_AUDIO_CLEANUP, OUTPUT_FILE_CLEANUP
  # ARCHITECTURE: Audio stitcher cleanup testing
  # IMPLEMENTATION: Test cleanup functionality
  # TEST: Test stitched audio file cleanup
  temp_dir = Dir.mktmpdir
  
  begin
    stitcher = AudioStitcher.new(temp_dir: temp_dir)
    
    # Create mock stitched segment
    output_file = File.join(temp_dir, 'stitched_output.wav')
    File.write(output_file, 'stitched audio data')
    
    # Manually add to stitched segments
    stitcher.instance_variable_get(:@stitched_segments) << {
      'output_file' => output_file
    }
    
    # Verify file exists
    assert File.exist?(output_file)
    assert_equal 1, stitcher.stitched_segments.length
    
    # Cleanup
    stitcher.cleanup
    
    # Verify file is removed and segments are cleared
    refute File.exist?(output_file)
    assert_equal 0, stitcher.stitched_segments.length
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_stitcher_error_handling ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3484

def test_audio_stitcher_error_handling
  # REQUIREMENTS: Test audio stitcher error handling
  # SEMANTIC TOKENS: ERROR_HANDLING_TESTS, STITCHING_ERRORS
  # ARCHITECTURE: Audio stitcher error handling testing
  # IMPLEMENTATION: Test error handling for stitching failures
  # TEST: Test error handling for audio generation failures
  temp_dir = Dir.mktmpdir
  
  begin
    stitcher = AudioStitcher.new(temp_dir: temp_dir)
    
    # Test with invalid segments
    assert_raises(RuntimeError, "Invalid segments metadata: must be non-empty array") do
      stitcher.stitch_segments([], [])
    end
    
    # Test with missing audio file
    segments_metadata = [{
      'audio_file' => '/nonexistent/file.wav',
      'start_time' => 0.0,
      'end_time' => 2.0
    }]
    
    assert_raises(RuntimeError, "Segment 0 audio file not found") do
      stitcher.stitch_segments(segments_metadata, [])
    end
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_stitcher_initialization ⇒ Object

Audio Stitcher Tests REQUIREMENTS: Test audio stitching and silence gap insertion SEMANTIC TOKENS: AUDIO_STITCHING_TESTS, SILENCE_GAP_TESTING ARCHITECTURE: Audio stitching testing architecture IMPLEMENTATION: Test audio stitching functionality TEST: Test audio stitching and silence gap insertion



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# File 'lib/parse_animation_to_tts.rb', line 3230

def test_audio_stitcher_initialization
  # REQUIREMENTS: Test audio stitcher initialization
  # SEMANTIC TOKENS: AUDIO_STITCHER_INIT, STITCHER_SETUP
  # ARCHITECTURE: Audio stitcher initialization testing
  # IMPLEMENTATION: Test audio stitcher creation
  # TEST: Test audio stitcher initialization
  temp_dir = Dir.mktmpdir
  
  begin
    stitcher = AudioStitcher.new(temp_dir: temp_dir)
    
    refute_nil stitcher
    assert_equal temp_dir, stitcher.instance_variable_get(:@temp_dir)
    assert_equal 'wav', stitcher.instance_variable_get(:@output_format)
    assert_equal 44100, stitcher.instance_variable_get(:@sample_rate)
    assert_equal [], stitcher.stitched_segments
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_stitcher_input_validation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3251

def test_audio_stitcher_input_validation
  # REQUIREMENTS: Test audio stitcher input validation
  # SEMANTIC TOKENS: INPUT_VALID, METADATA_VALID
  # ARCHITECTURE: Input validation testing
  # IMPLEMENTATION: Test input validation functionality
  # TEST: Test input validation and error handling
  temp_dir = Dir.mktmpdir
  
  begin
    stitcher = AudioStitcher.new(temp_dir: temp_dir)
    
    # Test invalid segments metadata
    assert_raises(RuntimeError, "Invalid segments metadata: must be non-empty array") do
      stitcher.stitch_segments([], [])
    end
    
    # Test invalid segment structure
    invalid_segments = [{ 'invalid' => 'data' }]
    assert_raises(RuntimeError, "Invalid segment 0: missing required fields") do
      stitcher.stitch_segments(invalid_segments, [])
    end
    
    # Test missing audio file
    missing_file_segments = [{
      'audio_file' => '/nonexistent/file.wav',
      'start_time' => 0.0,
      'end_time' => 2.0
    }]
    assert_raises(RuntimeError, "Segment 0 audio file not found") do
      stitcher.stitch_segments(missing_file_segments, [])
    end
    
    # Test invalid gaps metadata
    valid_segments = [{
      'audio_file' => File.join(temp_dir, 'test.wav'),
      'start_time' => 0.0,
      'end_time' => 2.0
    }]
    File.write(valid_segments[0]['audio_file'], 'fake audio data')
    
    assert_raises(RuntimeError, "Invalid gaps metadata: must be array") do
      stitcher.stitch_segments(valid_segments, nil)
    end
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_stitcher_output_file_creation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3299

def test_audio_stitcher_output_file_creation
  # REQUIREMENTS: Test audio stitcher output file creation
  # SEMANTIC TOKENS: OUTPUT_FILE_CREATE, FILE_PATH_GEN
  # ARCHITECTURE: Output file creation testing
  # IMPLEMENTATION: Test output file path generation
  # TEST: Test output file path generation
  temp_dir = Dir.mktmpdir
  
  begin
    stitcher = AudioStitcher.new(temp_dir: temp_dir)
    
    # Test output file path generation
    output_file = stitcher.send(:create_output_file_path)
    
    refute_nil output_file
    assert output_file.include?('stitched_audio_')
    assert output_file.end_with?('.wav')
    assert output_file.start_with?(temp_dir)
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_stitcher_silence_file_creation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3322

def test_audio_stitcher_silence_file_creation
  # REQUIREMENTS: Test audio stitcher silence file creation
  # SEMANTIC TOKENS: SILENCE_FILE_CREATE, SILENCE_GEN
  # ARCHITECTURE: Silence file creation testing
  # IMPLEMENTATION: Test silence file generation
  # TEST: Test silence file creation
  temp_dir = Dir.mktmpdir
  
  begin
    stitcher = AudioStitcher.new(temp_dir: temp_dir)
    
    # Test silence file creation (will use fallback if no audio tools)
    silence_file = stitcher.send(:create_silence_file, 1.0)
    
    refute_nil silence_file
    assert File.exist?(silence_file)
    assert silence_file.include?('silence_')
    assert silence_file.end_with?('.wav')
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_stitcher_stitch_segments ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3389

def test_audio_stitcher_stitch_segments
  # REQUIREMENTS: Test audio stitcher segment stitching
  # SEMANTIC TOKENS: AUDIO_STITCHING, SILENCE_GAP_INSERTION
  # ARCHITECTURE: Audio stitching testing
  # IMPLEMENTATION: Test segment stitching functionality
  # TEST: Test audio stitching and silence gap insertion
  temp_dir = Dir.mktmpdir
  
  begin
    stitcher = AudioStitcher.new(temp_dir: temp_dir)
    
    # Create test audio files
    audio_file1 = File.join(temp_dir, 'test1.wav')
    audio_file2 = File.join(temp_dir, 'test2.wav')
    File.write(audio_file1, 'fake audio data 1')
    File.write(audio_file2, 'fake audio data 2')
    
    # Test segment stitching
    segments_metadata = [{
      'audio_file' => audio_file1,
      'start_time' => 0.0,
      'end_time' => 2.0
    }, {
      'audio_file' => audio_file2,
      'start_time' => 2.0,
      'end_time' => 4.0
    }]
    
    gaps_metadata = [{
      'duration' => 0.5
    }]
    
    # Mock the concatenation methods to avoid system dependencies
    stitcher.define_singleton_method(:concatenate_audio_files) do |file_list, output_file|
      File.write(output_file, 'stitched audio data')
    end
    
    stitcher.define_singleton_method(:create_silence_file) do |duration|
      silence_file = File.join(temp_dir, "silence_#{Time.now.to_i}.wav")
      File.write(silence_file, 'silence data')
      silence_file
    end
    
    result = stitcher.stitch_segments(segments_metadata, gaps_metadata)
    
    # Verify stitching result
    refute_nil result
    assert_equal 2, result['segment_count']
    assert_equal 1, result['gap_count']
    assert_equal 4.5, result['total_duration']
    assert File.exist?(result['output_file'])
    
    # Verify stitched segments tracking
    assert_equal 1, stitcher.stitched_segments.length
    assert_equal result, stitcher.stitched_segments.first
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_audio_stitcher_stitching_metadata ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3345

def test_audio_stitcher_stitching_metadata
  # REQUIREMENTS: Test audio stitcher stitching metadata creation
  # SEMANTIC TOKENS: STITCHING_METADATA_CREATE, OUTPUT_METADATA
  # ARCHITECTURE: Stitching metadata testing
  # IMPLEMENTATION: Test stitching metadata creation
  # TEST: Test stitching metadata creation
  temp_dir = Dir.mktmpdir
  
  begin
    stitcher = AudioStitcher.new(temp_dir: temp_dir)
    
    # Test stitching metadata creation
    segments_metadata = [{
      'audio_file' => File.join(temp_dir, 'test1.wav'),
      'start_time' => 0.0,
      'end_time' => 2.0
    }, {
      'audio_file' => File.join(temp_dir, 'test2.wav'),
      'start_time' => 2.0,
      'end_time' => 4.0
    }]
    
    gaps_metadata = [{
      'duration' => 0.5
    }]
    
    output_file = File.join(temp_dir, 'output.wav')
    
    metadata = stitcher.send(:create_stitching_metadata, segments_metadata, gaps_metadata, output_file)
    
    assert_equal output_file, metadata['output_file']
    assert_equal 2, metadata['segment_count']
    assert_equal 1, metadata['gap_count']
    assert_equal 4.5, metadata['total_duration']  # 2.0 + 2.0 + 0.5
    assert_equal 44100, metadata['sample_rate']
    assert_equal 'wav', metadata['output_format']
    refute_nil metadata['stitched_at']
    assert_equal segments_metadata, metadata['segments']
    assert_equal gaps_metadata, metadata['gaps']
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_complete_pipeline ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2536

def test_complete_pipeline
  # REQUIREMENTS: Test complete pipeline from parsing to YAML generation
  # SEMANTIC TOKENS: TEST_PIPELINE, COMPLETE_WORKFLOW, END_TO_END
  # ARCHITECTURE: Test complete pipeline architecture
  # IMPLEMENTATION: Test complete pipeline
  # TEST: Test complete pipeline
  
  content = "BOX@(0..2)=red:(0,0)+(10,10)\nTEXT@=black\"First text\"\nTEXT@(3..5)=blue\"Second text\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  yaml_output = parser.generate_yaml
  yaml_data = YAML.load(yaml_output)
  
  # Test metadata
  assert yaml_data['metadata']['processing_complete']
  assert_equal 1, yaml_data['metadata']['source_files'].length
  
  # Test segments
  assert_equal 2, yaml_data['audio_segments'].length
  assert_equal "First text", yaml_data['audio_segments'][0]['text']
  assert_equal "Second text", yaml_data['audio_segments'][1]['text']
  
  # Test gaps
  assert yaml_data['gaps'].length >= 0
end

#test_edge_case_concurrent_processing ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3749

def test_edge_case_concurrent_processing
  # REQUIREMENTS: Test handling of concurrent processing scenarios
  # SEMANTIC TOKENS: TEST_EDGE_CASES, CONCURRENT_PROCESSING_HANDLING
  # ARCHITECTURE: Edge case testing for concurrent processing
  # IMPLEMENTATION: Test parsing with concurrent scenarios
  # TEST: Test edge case handling for concurrent processing
  
  # Create multiple parsers simultaneously
  parsers = []
  5.times do |i|
    temp_file = create_test_file("TEXT@(0..1)=red\"Concurrent test #{i}\"")
    parsers << AnimationToTTS.new([temp_file])
  end
  
  # Parse all simultaneously
  results = parsers.map(&:parse)
  
  assert_equal 5, results.length
  results.each_with_index do |segments, i|
    assert_equal 1, segments.length
    assert_equal "Concurrent test #{i}", segments[0]['text']
  end
end

#test_edge_case_empty_text_content ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3515

def test_edge_case_empty_text_content
  # REQUIREMENTS: Test handling of empty text content
  # SEMANTIC TOKENS: TEST_EDGE_CASES, EMPTY_CONTENT_HANDLING
  # ARCHITECTURE: Edge case testing for empty content
  # IMPLEMENTATION: Test parsing with empty text content
  # TEST: Test edge case handling for empty text
  
  skip "TODO: Fix parser to handle empty text content segments"
  
  temp_file = create_test_file("TEXT@(0..1)=red\"\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  # Should handle empty text gracefully
  assert_equal 1, segments.length
  assert_equal "", segments[0]['text']
  assert_equal 0.0, segments[0]['start_time']
  assert_equal 1.0, segments[0]['end_time']
end

#test_edge_case_malformed_color_names ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3657

def test_edge_case_malformed_color_names
  # REQUIREMENTS: Test handling of malformed color names
  # SEMANTIC TOKENS: TEST_EDGE_CASES, MALFORMED_COLOR_HANDLING
  # ARCHITECTURE: Edge case testing for malformed colors
  # IMPLEMENTATION: Test parsing with malformed colors
  # TEST: Test edge case handling for malformed colors
  
  skip "TODO: Fix parser to normalize malformed color names to default fallback"
  
  temp_file = create_test_file("TEXT@(0..1)=INVALID_COLOR\"Malformed color test\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  # Should handle malformed color gracefully (fallback to default)
  assert_equal 1, segments.length
  assert_equal "Malformed color test", segments[0]['text']
  assert_equal "black", segments[0]['voice_settings']['color']  # Default fallback
end

#test_edge_case_memory_pressure ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3773

def test_edge_case_memory_pressure
  # REQUIREMENTS: Test handling under memory pressure
  # SEMANTIC TOKENS: TEST_EDGE_CASES, MEMORY_PRESSURE_HANDLING
  # ARCHITECTURE: Edge case testing for memory pressure
  # IMPLEMENTATION: Test parsing under memory pressure
  # TEST: Test edge case handling for memory pressure
  
  # Create a large file to test memory handling
  large_content = (0...1000).map { |i| "TEXT@(#{i}..#{i+1})=red\"Large segment #{i}\"" }.join("\n")
  temp_file = create_test_file(large_content)
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1000, segments.length
  assert_equal "Large segment 0", segments[0]['text']
  assert_equal "Large segment 999", segments[999]['text']
end

#test_edge_case_mixed_case_colors ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3711

def test_edge_case_mixed_case_colors
  # REQUIREMENTS: Test handling of mixed case color names
  # SEMANTIC TOKENS: TEST_EDGE_CASES, MIXED_CASE_HANDLING
  # ARCHITECTURE: Edge case testing for mixed case
  # IMPLEMENTATION: Test parsing with mixed case colors
  # TEST: Test edge case handling for mixed case
  
  skip "TODO: Fix parser to normalize mixed case color names to lowercase"
  
  temp_file = create_test_file("TEXT@(0..1)=ReD\"Mixed case color test\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal "Mixed case color test", segments[0]['text']
  assert_equal "red", segments[0]['voice_settings']['color']  # Should normalize to lowercase
end

#test_edge_case_negative_timing ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3553

def test_edge_case_negative_timing
  # REQUIREMENTS: Test handling of negative timing values
  # SEMANTIC TOKENS: TEST_EDGE_CASES, NEGATIVE_TIMING_HANDLING
  # ARCHITECTURE: Edge case testing for negative timing
  # IMPLEMENTATION: Test parsing with negative timing
  # TEST: Test edge case handling for negative timing
  
  temp_file = create_test_file("TEXT@(-1..1)=red\"Negative timing test\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  # Should handle negative timing gracefully
  assert_equal 1, segments.length
  assert_equal "Negative timing test", segments[0]['text']
  assert_equal -1.0, segments[0]['start_time']
  assert_equal 1.0, segments[0]['end_time']
end

#test_edge_case_nested_quotes ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3676

def test_edge_case_nested_quotes
  # REQUIREMENTS: Test handling of nested quotes in text
  # SEMANTIC TOKENS: TEST_EDGE_CASES, NESTED_QUOTES_HANDLING
  # ARCHITECTURE: Edge case testing for nested quotes
  # IMPLEMENTATION: Test parsing with nested quotes
  # TEST: Test edge case handling for nested quotes
  
  skip "TODO: Fix regex pattern to handle nested quotes properly (non-critical edge case)"
  
  nested_text = "Text with \"nested quotes\" and 'single quotes'"
  temp_file = create_test_file("TEXT@(0..2)=red\"#{nested_text}\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal nested_text, segments[0]['text']
end

#test_edge_case_special_characters ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3589

def test_edge_case_special_characters
  # REQUIREMENTS: Test handling of special characters in text
  # SEMANTIC TOKENS: TEST_EDGE_CASES, SPECIAL_CHARACTERS_HANDLING
  # ARCHITECTURE: Edge case testing for special characters
  # IMPLEMENTATION: Test parsing with special characters
  # TEST: Test edge case handling for special characters
  
  skip "TODO: Fix regex pattern to handle special characters and escaped quotes"
  
  special_text = "Text with special chars: !@#$%^&*()_+-=[]{}|;':\",./<>?`~"
  temp_file = create_test_file("TEXT@(0..2)=red\"#{special_text}\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal special_text, segments[0]['text']
end

#test_edge_case_unicode_characters ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3607

def test_edge_case_unicode_characters
  # REQUIREMENTS: Test handling of Unicode characters
  # SEMANTIC TOKENS: TEST_EDGE_CASES, UNICODE_HANDLING
  # ARCHITECTURE: Edge case testing for Unicode
  # IMPLEMENTATION: Test parsing with Unicode characters
  # TEST: Test edge case handling for Unicode
  
  unicode_text = "Unicode test: 你好世界 🌍 émojis 🎉"
  temp_file = create_test_file("TEXT@(0..3)=red\"#{unicode_text}\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal unicode_text, segments[0]['text']
end

#test_edge_case_very_long_text ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3535

def test_edge_case_very_long_text
  # REQUIREMENTS: Test handling of very long text content
  # SEMANTIC TOKENS: TEST_EDGE_CASES, LONG_CONTENT_HANDLING
  # ARCHITECTURE: Edge case testing for long content
  # IMPLEMENTATION: Test parsing with very long text
  # TEST: Test edge case handling for long text
  
  long_text = "A" * 1000  # 1000 character text
  temp_file = create_test_file("TEXT@(0..10)=red\"#{long_text}\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal long_text, segments[0]['text']
  assert_equal 0.0, segments[0]['start_time']
  assert_equal 10.0, segments[0]['end_time']
end

#test_edge_case_very_long_timing ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3640

def test_edge_case_very_long_timing
  # REQUIREMENTS: Test handling of very long timing intervals
  # SEMANTIC TOKENS: TEST_EDGE_CASES, LONG_TIMING_HANDLING
  # ARCHITECTURE: Edge case testing for long timing
  # IMPLEMENTATION: Test parsing with very long timing
  # TEST: Test edge case handling for long timing
  
  temp_file = create_test_file("TEXT@(0..3600)=red\"Very long timing test\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal "Very long timing test", segments[0]['text']
  assert_equal 0.0, segments[0]['start_time']
  assert_equal 3600.0, segments[0]['end_time']
end

#test_edge_case_very_many_segments ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3729

def test_edge_case_very_many_segments
  # REQUIREMENTS: Test handling of very many segments
  # SEMANTIC TOKENS: TEST_EDGE_CASES, MANY_SEGMENTS_HANDLING
  # ARCHITECTURE: Edge case testing for many segments
  # IMPLEMENTATION: Test parsing with many segments
  # TEST: Test edge case handling for many segments
  
  content = (0...100).map { |i| "TEXT@(#{i}..#{i+1})=red\"Segment #{i}\"" }.join("\n")
  temp_file = create_test_file(content)
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 100, segments.length
  segments.each_with_index do |segment, i|
    assert_equal "Segment #{i}", segment['text']
    assert_equal i.to_f, segment['start_time']
    assert_equal (i + 1).to_f, segment['end_time']
  end
end

#test_edge_case_very_short_timing ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3623

def test_edge_case_very_short_timing
  # REQUIREMENTS: Test handling of very short timing intervals
  # SEMANTIC TOKENS: TEST_EDGE_CASES, SHORT_TIMING_HANDLING
  # ARCHITECTURE: Edge case testing for short timing
  # IMPLEMENTATION: Test parsing with very short timing
  # TEST: Test edge case handling for short timing
  
  temp_file = create_test_file("TEXT@(0..0.001)=red\"Very short timing test\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal "Very short timing test", segments[0]['text']
  assert_equal 0.0, segments[0]['start_time']
  assert_equal 0.001, segments[0]['end_time']
end

#test_edge_case_whitespace_only_text ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3694

def test_edge_case_whitespace_only_text
  # REQUIREMENTS: Test handling of whitespace-only text
  # SEMANTIC TOKENS: TEST_EDGE_CASES, WHITESPACE_HANDLING
  # ARCHITECTURE: Edge case testing for whitespace
  # IMPLEMENTATION: Test parsing with whitespace-only text
  # TEST: Test edge case handling for whitespace
  
  skip "TODO: Fix parser to handle whitespace-only text segments properly"
  
  temp_file = create_test_file("TEXT@(0..1)=red\"   \t\n   \"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal "   \t\n   ", segments[0]['text']
end

#test_edge_case_zero_duration ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 3571

def test_edge_case_zero_duration
  # REQUIREMENTS: Test handling of zero duration segments
  # SEMANTIC TOKENS: TEST_EDGE_CASES, ZERO_DURATION_HANDLING
  # ARCHITECTURE: Edge case testing for zero duration
  # IMPLEMENTATION: Test parsing with zero duration
  # TEST: Test edge case handling for zero duration
  
  temp_file = create_test_file("TEXT@(1..1)=red\"Zero duration test\"")
  parser = AnimationToTTS.new([temp_file], quiet: true)
  segments = parser.parse
  
  assert_equal 1, segments.length
  assert_equal "Zero duration test", segments[0]['text']
  assert_equal 1.0, segments[0]['start_time']
  assert_equal 1.0, segments[0]['end_time']
  assert_equal 0.0, segments[0]['duration']
end

#test_error_handling_with_invalid_content ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2564

def test_error_handling_with_invalid_content
  # REQUIREMENTS: Test error handling with invalid content
  # SEMANTIC TOKENS: TEST_ERROR_HANDLING, INVALID_CONTENT, ERROR_RECOVERY
  # ARCHITECTURE: Test error handling architecture
  # IMPLEMENTATION: Test error handling with invalid content
  # TEST: Test error handling with invalid content
  
  content = "INVALID_FORMAT_CONTENT"
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  
  # Should not raise error, just skip invalid lines
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 0, segments.length
end

#test_file_separator_handling ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2582

def test_file_separator_handling
  # REQUIREMENTS: Test file separator handling
  # SEMANTIC TOKENS: TEST_FILE_SEPARATOR, MULTIPLE_FILES, SEPARATOR_HANDLING
  # ARCHITECTURE: Test file separator architecture
  # IMPLEMENTATION: Test file separator handling
  # TEST: Test file separator handling
  
  file1 = create_test_file("TEXT@(0..1)=red\"File 1\"", "file1.anim")
  file2 = create_test_file("TEXT@(1..2)=blue\"File 2\"", "file2.anim")
  parser = AnimationToTTS.new([file1, file2], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 2, segments.length
  assert_equal "File 1", segments[0]['text']
  assert_equal "File 2", segments[1]['text']
end

#test_gap_calculation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2361

def test_gap_calculation
  # REQUIREMENTS: Test gap calculation between segments
  # SEMANTIC TOKENS: TEST_GAP_CALC, SILENCE_GAPS, TIMING_ANALYSIS
  # ARCHITECTURE: Test gap calculation architecture
  # IMPLEMENTATION: Test gap calculation algorithm
  # TEST: Test gap calculation with various segment arrangements
  
  content = "TEXT@(0..2)=red\"First text\"\nTEXT@(5..7)=blue\"Second text\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  gaps = parser.instance_variable_get(:@gaps)
  assert_equal 1, gaps.length
  assert_equal 2.0, gaps[0]['start_time']
  assert_equal 5.0, gaps[0]['end_time']
  assert_equal 3.0, gaps[0]['duration']
end

#test_index_continuity_across_files ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2600

def test_index_continuity_across_files
  # REQUIREMENTS: Test index continuity across files
  # SEMANTIC TOKENS: TEST_INDEX_CONTINUITY, SEQUENTIAL_INDEXING, CROSS_FILE_INDEXING
  # ARCHITECTURE: Test index continuity architecture
  # IMPLEMENTATION: Test index continuity across files
  # TEST: Test index continuity across files
  
  file1 = create_test_file("TEXT@(0..1)=red\"File 1 text\"", "file1.anim")
  file2 = create_test_file("TEXT@(1..2)=blue\"File 2 text\"", "file2.anim")
  parser = AnimationToTTS.new([file1, file2], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 2, segments.length
  assert_equal "text_1", segments[0]['id']
  assert_equal "text_2", segments[1]['id']
end

#test_initial_gap_calculation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2517

def test_initial_gap_calculation
  # REQUIREMENTS: Test initial gap calculation
  # SEMANTIC TOKENS: TEST_INITIAL_GAP, GAP_CALC, TIMING_ANALYSIS
  # ARCHITECTURE: Test initial gap architecture
  # IMPLEMENTATION: Test initial gap calculation
  # TEST: Test initial gap calculation
  
  content = "TEXT@(2..4)=red\"Text starting at 2 seconds\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  gaps = parser.instance_variable_get(:@gaps)
  assert_equal 1, gaps.length
  assert_equal 0.0, gaps[0]['start_time']
  assert_equal 2.0, gaps[0]['end_time']
  assert_equal 2.0, gaps[0]['duration']
end

#test_initialization_with_missing_files ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2180

def test_initialization_with_missing_files
  # REQUIREMENTS: Test initialization with missing files
  # SEMANTIC TOKENS: TEST_INIT, ERROR_HANDLING, FILE_VALIDATION
  # ARCHITECTURE: Test file validation architecture
  # IMPLEMENTATION: Test handling of missing files
  # TEST: Test initialization with missing files
  
  missing_file = File.join(@temp_dir, 'missing.anim')
  parser = AnimationToTTS.new([missing_file])
  assert_equal [], parser.instance_variable_get(:@input_files)
  
  # Test that parsing with no valid files raises an error
  assert_raises(RuntimeError, "No valid input files found") do
    parser.parse
  end
end

#test_initialization_with_no_files ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2168

def test_initialization_with_no_files
  # REQUIREMENTS: Test initialization with no input files
  # SEMANTIC TOKENS: TEST_INIT, ERROR_HANDLING, INPUT_VALID
  # ARCHITECTURE: Test error handling architecture
  # IMPLEMENTATION: Test error handling for missing files
  # TEST: Test initialization with empty file list
  
  assert_raises(SystemExit) do
    AnimationToTTS.new([])
  end
end

#test_initialization_with_valid_files ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2197

def test_initialization_with_valid_files
  # REQUIREMENTS: Test initialization with valid files
  # SEMANTIC TOKENS: TEST_INIT, FILE_VALIDATION, SUCCESS_HANDLING
  # ARCHITECTURE: Test successful initialization architecture
  # IMPLEMENTATION: Test initialization with valid files
  # TEST: Test initialization with valid file list
  
  test_file = create_test_file("BOX@(0..1)=red:(0,0)+(10,10) TEXT@=black\"test\"")
  parser = AnimationToTTS.new([test_file], quiet: true)
  assert_equal [test_file], parser.instance_variable_get(:@input_files)
end

#test_metadata_finalization ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2380

def test_metadata_finalization
  # REQUIREMENTS: Test metadata finalization
  # SEMANTIC TOKENS: TEST_METADATA, FINALIZATION, STATISTICS
  # ARCHITECTURE: Test metadata architecture
  # IMPLEMENTATION: Test metadata finalization
  # TEST: Test metadata finalization
  
  content = "TEXT@(0..2)=red\"First text\"\nTEXT@(3..5)=blue\"Second text\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  metadata = parser.instance_variable_get(:@metadata)
  assert_equal 1, metadata['source_files'].length
  assert_equal 5.0, metadata['total_duration']
  assert_equal 2, metadata['segment_count']
  assert metadata['processing_complete']
end

#test_overlapping_segments ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2495

def test_overlapping_segments
  # REQUIREMENTS: Test overlapping segments handling
  # SEMANTIC TOKENS: TEST_OVERLAPPING, SEGMENT_OVERLAP, TIMING_CONFLICT
  # ARCHITECTURE: Test overlapping segments architecture
  # IMPLEMENTATION: Test overlapping segments handling
  # TEST: Test overlapping segments handling
  
  content = "TEXT@(0..3)=red\"First text\"\nTEXT@(2..5)=blue\"Second text\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 2, segments.length
  
  # Both segments should be created despite overlap
  assert_equal 0.0, segments[0]['start_time']
  assert_equal 3.0, segments[0]['end_time']
  assert_equal 2.0, segments[1]['start_time']
  assert_equal 5.0, segments[1]['end_time']
end

#test_parse_multiple_files ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2286

def test_parse_multiple_files
  # REQUIREMENTS: Test parsing multiple files
  # SEMANTIC TOKENS: TEST_PARSING, MULTIPLE_FILES, SEQUENTIAL_PROC
  # ARCHITECTURE: Test multiple file parsing architecture
  # IMPLEMENTATION: Test parsing with multiple files
  # TEST: Test parsing with multiple files
  
  file1 = create_test_file("TEXT@(0..2)=red\"File 1 text\"", "file1.anim")
  file2 = create_test_file("TEXT@(2..4)=blue\"File 2 text\"", "file2.anim")
  parser = AnimationToTTS.new([file1, file2], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 2, segments.length
  assert_equal "File 1 text", segments[0]['text']
  assert_equal "File 2 text", segments[1]['text']
end

#test_parse_single_file_with_explicit_timing ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2209

def test_parse_single_file_with_explicit_timing
  # REQUIREMENTS: Test parsing single file with explicit timing
  # SEMANTIC TOKENS: TEST_PARSING, EXPLICIT_TIMING, SINGLE_FILE
  # ARCHITECTURE: Test single file parsing architecture
  # IMPLEMENTATION: Test parsing with explicit timing
  # TEST: Test parsing with explicit timing specifications
  
  content = "BOX@(2..4)=pink:(520,10)+(380,30) TEXT@(2..4)=black\"This file is in Markdown format.\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 1, segments.length
  assert_equal 2.0, segments[0]['start_time']
  assert_equal 4.0, segments[0]['end_time']
  assert_equal "This file is in Markdown format.", segments[0]['text']
  assert_equal "black", segments[0]['voice_settings']['color']
end

#test_parse_single_file_with_inherited_timing ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2229

def test_parse_single_file_with_inherited_timing
  # REQUIREMENTS: Test parsing single file with inherited timing
  # SEMANTIC TOKENS: TEST_PARSING, INHERITED_TIMING, BOX_INHERITANCE
  # ARCHITECTURE: Test timing inheritance architecture
  # IMPLEMENTATION: Test parsing with inherited timing from BOX
  # TEST: Test parsing with inherited timing specifications
  
  content = "BOX@(9..13)=pink:(520,100)+(300,30) TEXT@=black\"This is plain text.\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 1, segments.length
  assert_equal 9.0, segments[0]['start_time']
  assert_equal 13.0, segments[0]['end_time']
  assert_equal "This is plain text.", segments[0]['text']
  assert_equal "black", segments[0]['voice_settings']['color']
end

#test_parse_single_file_with_text_only ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2267

def test_parse_single_file_with_text_only
  # REQUIREMENTS: Test parsing single file with text only
  # SEMANTIC TOKENS: TEST_PARSING, TEXT_ONLY, FULL_INHERITANCE
  # ARCHITECTURE: Test text-only parsing architecture
  # IMPLEMENTATION: Test parsing with text only, inherit timing and color
  # TEST: Test parsing with text-only specifications
  
  content = "BOX@(5..8)=blue:(0,0)+(10,10) TEXT@=red\"First text\"\nTEXT@\"Second text\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 2, segments.length
  assert_equal 5.0, segments[1]['start_time'] # Inherited from BOX
  assert_equal 8.0, segments[1]['end_time'] # Inherited from BOX
  assert_equal "red", segments[1]['voice_settings']['color'] # Inherited from previous TEXT
end

#test_parse_single_file_with_timing_only ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2249

def test_parse_single_file_with_timing_only
  # REQUIREMENTS: Test parsing single file with timing only
  # SEMANTIC TOKENS: TEST_PARSING, TIMING_ONLY, COLOR_INHERITANCE
  # ARCHITECTURE: Test timing-only parsing architecture
  # IMPLEMENTATION: Test parsing with timing only, inherit color
  # TEST: Test parsing with timing-only specifications
  
  content = "TEXT@(2..4)=black\"First text\"\nTEXT@(2..4)\"Second text\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 2, segments.length
  assert_equal "black", segments[0]['voice_settings']['color']
  assert_equal "black", segments[1]['voice_settings']['color'] # Inherited
end

#test_parse_with_comments_and_empty_lines ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2304

def test_parse_with_comments_and_empty_lines
  # REQUIREMENTS: Test parsing with comments and empty lines
  # SEMANTIC TOKENS: TEST_PARSING, COMMENT_HANDLING, EMPTY_LINE_HANDLING
  # ARCHITECTURE: Test comment and empty line handling architecture
  # IMPLEMENTATION: Test parsing with comments and empty lines
  # TEST: Test parsing with comments and empty lines
  
  content = "# This is a comment\n\nBOX@(1..3)=red:(0,0)+(10,10)\nTEXT@=black\"Valid text\"\n# Another comment"
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 1, segments.length
  assert_equal "Valid text", segments[0]['text']
end

#test_parse_with_missing_box_timing ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2321

def test_parse_with_missing_box_timing
  # REQUIREMENTS: Test parsing with missing BOX timing
  # SEMANTIC TOKENS: TEST_PARSING, ERROR_HANDLING, TIMING_VALID
  # ARCHITECTURE: Test error handling architecture
  # IMPLEMENTATION: Test error handling for missing BOX timing
  # TEST: Test parsing with missing BOX timing
  
  content = "TEXT@=black\"Text without BOX timing\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  
  assert_raises(RuntimeError, /No BOX timing context available/) do
    parser.parse
  end
end

#test_performance_with_large_content ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2701

def test_performance_with_large_content
  # REQUIREMENTS: Test performance with large content
  # SEMANTIC TOKENS: TEST_PERFORMANCE, LARGE_CONTENT, PERFORMANCE_VALID
  # ARCHITECTURE: Test performance architecture
  # IMPLEMENTATION: Test performance with large content
  # TEST: Test performance with large content
  
  # Generate large content
  content = ""
  100.times do |i|
    content += "TEXT@(#{i}..#{i+1})=red\"Text segment #{i}\"\n"
  end
  
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  
  start_time = Time.now
  parser.parse
  end_time = Time.now
  
  # Should complete within reasonable time (adjust threshold as needed)
  assert (end_time - start_time) < 5.0
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 100, segments.length
end

#test_pitch_mapping ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2476

def test_pitch_mapping
  # REQUIREMENTS: Test pitch mapping from colors
  # SEMANTIC TOKENS: TEST_PITCH_MAPPING, COLOR_MAPPING, VOICE_CUSTOMIZATION
  # ARCHITECTURE: Test pitch mapping architecture
  # IMPLEMENTATION: Test pitch mapping from colors
  # TEST: Test pitch mapping from colors
  
  content = "TEXT@(0..1)=red\"Red text\"\nTEXT@(0..1)=blue\"Blue text\"\nTEXT@(0..1)=green\"Green text\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  
  assert_equal 1.2, segments[0]['voice_settings']['pitch'] # red
  assert_equal 1.0, segments[1]['voice_settings']['pitch'] # blue
  assert_equal 0.9, segments[2]['voice_settings']['pitch'] # green
end

#test_speech_speed_calculation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2449

def test_speech_speed_calculation
  # REQUIREMENTS: Test speech speed calculation
  # SEMANTIC TOKENS: TEST_SPEECH_SPEED, SPEED_CALC, TIMING_OPTIMIZATION
  # ARCHITECTURE: Test speech speed architecture
  # IMPLEMENTATION: Test speech speed calculation
  # TEST: Test speech speed calculation
  
  content = "TEXT@(0..1)=red\"Short\"\nTEXT@(1..11)=blue\"This is a much longer text that should have different speech speed calculation\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  
  # Short text with short duration should have higher speed
  speed1 = segments[0]['voice_settings']['speed']
  speed2 = segments[1]['voice_settings']['speed']
  puts "DEBUG: Speed 1 (short): #{speed1}, Speed 2 (long): #{speed2}"
  assert speed1 > speed2, "Short text speed (#{speed1}) should be higher than long text speed (#{speed2})"
  
  # Speed should be within reasonable bounds
  assert segments[0]['voice_settings']['speed'] >= 0.5
  assert segments[0]['voice_settings']['speed'] <= 2.0
  assert segments[1]['voice_settings']['speed'] >= 0.5
  assert segments[1]['voice_settings']['speed'] <= 2.0
end

#test_system_tts_engine_availability ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2860

def test_system_tts_engine_availability
  # REQUIREMENTS: Test system TTS engine availability checking
  # SEMANTIC TOKENS: TTS_ENGINE_AVAIL, BACKEND_CHECK
  # ARCHITECTURE: TTS engine availability testing
  # IMPLEMENTATION: Test TTS engine availability detection
  # TEST: Test TTS engine availability checking
  temp_dir = Dir.mktmpdir
  
  begin
    engine = SystemTTSEngine.new(temp_dir: temp_dir)
    available = engine.available?
    
    # Should return boolean
    assert [true, false].include?(available), "Should return boolean availability"
    
    # If available, should be able to generate audio
    if available
      # Test that we can generate a simple audio file
      test_text = "Hello world"
      voice_settings = { speed: 1.0, pitch: 1.0, volume: 0.8 }
      
      # This might fail if TTS backend is not properly configured
      # but we should at least not get a NotImplementedError
      begin
        audio_file = engine.generate_audio(test_text, voice_settings)
        assert File.exist?(audio_file), "Should generate audio file"
        assert File.size(audio_file) > 0, "Audio file should not be empty"
      rescue => e
        # If TTS fails, it should be a specific error, not NotImplementedError
        refute_equal NotImplementedError, e.class, "Should not raise NotImplementedError"
      end
    end
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_system_tts_engine_initialization ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2748

def test_system_tts_engine_initialization
  # REQUIREMENTS: Test system TTS engine initialization
  # SEMANTIC TOKENS: SYSTEM_TTS_INIT, ENGINE_SETUP
  # ARCHITECTURE: System TTS engine initialization testing
  # IMPLEMENTATION: Test system TTS engine creation
  # TEST: Test system TTS engine initialization
  temp_dir = Dir.mktmpdir
  
  begin
    engine = SystemTTSEngine.new(temp_dir: temp_dir)
    refute_nil engine
    assert_equal temp_dir, engine.instance_variable_get(:@temp_dir)
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_system_tts_engine_supported_formats ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2834

def test_system_tts_engine_supported_formats
  # REQUIREMENTS: Test system TTS engine supported formats
  # SEMANTIC TOKENS: AUDIO_FORMAT_SUPPORT, FORMAT_TESTING
  # ARCHITECTURE: Audio format support testing
  # IMPLEMENTATION: Test supported audio formats
  # TEST: Test audio format support (WAV, MP3)
  temp_dir = Dir.mktmpdir
  
  begin
    engine = SystemTTSEngine.new(temp_dir: temp_dir)
    formats = engine.supported_formats
    
    assert_instance_of Array, formats
    assert formats.include?('wav'), "Should support WAV format"
    
    # Test different backends have different format support
    if engine.instance_variable_get(:@backend) == 'espeak'
      assert formats.include?('mp3'), "espeak should support MP3"
    elsif engine.instance_variable_get(:@backend) == 'say'
      assert formats.include?('aiff'), "say should support AIFF"
    end
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_system_tts_engine_voice_settings ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2806

def test_system_tts_engine_voice_settings
  # REQUIREMENTS: Test system TTS engine voice settings
  # SEMANTIC TOKENS: VOICE_SETTINGS_APP, TTS_CUSTOMIZATION
  # ARCHITECTURE: Voice settings testing architecture
  # IMPLEMENTATION: Test voice settings application
  # TEST: Test voice settings application (speed, pitch, volume)
  temp_dir = Dir.mktmpdir
  
  begin
    engine = SystemTTSEngine.new(temp_dir: temp_dir)
    
    # Test voice settings initialization
    voice_settings = engine.instance_variable_get(:@voice_settings)
    assert_equal 1.0, voice_settings[:speed]
    assert_equal 1.0, voice_settings[:pitch]
    assert_equal 0.8, voice_settings[:volume]
    
    # Test voice settings merging
    custom_settings = { speed: 1.5, pitch: 1.2, volume: 0.9 }
    merged_settings = voice_settings.merge(custom_settings)
    assert_equal 1.5, merged_settings[:speed]
    assert_equal 1.2, merged_settings[:pitch]
    assert_equal 0.9, merged_settings[:volume]
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_tts_engine_available_backends ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2792

def test_tts_engine_available_backends
  # REQUIREMENTS: Test TTS engine available backends listing
  # SEMANTIC TOKENS: BACKEND_LISTING, AVAILABILITY_CHECK
  # ARCHITECTURE: TTS backend listing testing
  # IMPLEMENTATION: Test backend availability detection
  # TEST: Test TTS engine available backends
  backends = TTSEngineFactory.available_backends
  assert_instance_of Array, backends
  
  # Should contain at least one backend on most systems
  # (say is available on macOS, espeak on Linux)
  assert backends.length >= 0, "Should return array of backends (may be empty)"
end

#test_tts_engine_error_handling ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2897

def test_tts_engine_error_handling
  # REQUIREMENTS: Test TTS engine error handling
  # SEMANTIC TOKENS: ERROR_HANDLING_TESTS, TTS_ERRORS
  # ARCHITECTURE: TTS engine error handling testing
  # IMPLEMENTATION: Test error handling for TTS failures
  # TEST: Test error handling for audio generation failures
  temp_dir = Dir.mktmpdir
  
  begin
    engine = SystemTTSEngine.new(temp_dir: temp_dir)
    
    # Test with invalid backend
    invalid_engine = SystemTTSEngine.new(backend: 'nonexistent')
    assert_equal false, invalid_engine.available?
    
    # Test error handling for unsupported backend
    assert_raises(RuntimeError, "Unsupported TTS backend: nonexistent") do
      invalid_engine.generate_audio("test")
    end
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_tts_engine_factory_creation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2765

def test_tts_engine_factory_creation
  # REQUIREMENTS: Test TTS engine factory creation
  # SEMANTIC TOKENS: TTS_ENGINE_FACTORY, FACTORY_CREATE
  # ARCHITECTURE: TTS engine factory testing
  # IMPLEMENTATION: Test TTS engine factory pattern
  # TEST: Test TTS engine factory creation
  temp_dir = Dir.mktmpdir
  
  begin
    # Test auto-detection
    engine = TTSEngineFactory.create('auto', temp_dir: temp_dir)
    refute_nil engine
    assert_instance_of SystemTTSEngine, engine
    
    # Test specific backend creation (if available)
    available_backends = TTSEngineFactory.available_backends
    if available_backends.any?
      backend = available_backends.first
      engine = TTSEngineFactory.create(backend, temp_dir: temp_dir)
      refute_nil engine
      assert_instance_of SystemTTSEngine, engine
    end
  ensure
    FileUtils.rm_rf(temp_dir)
  end
end

#test_tts_engine_factory_error_handling ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2921

def test_tts_engine_factory_error_handling
  # REQUIREMENTS: Test TTS engine factory error handling
  # SEMANTIC TOKENS: FACTORY_ERROR_HANDLING, BACKEND_ERRORS
  # ARCHITECTURE: TTS engine factory error handling testing
  # IMPLEMENTATION: Test factory error handling
  # TEST: Test TTS engine factory error handling
  assert_raises(RuntimeError, "Unsupported TTS backend: invalid") do
    TTSEngineFactory.create('invalid')
  end
end

#test_tts_engine_interface ⇒ Object

TTS Engine Tests REQUIREMENTS: Test TTS engine abstraction and backend selection SEMANTIC TOKENS: TTS_ENGINE_TESTS, BACKEND_SELECTION, ENGINE_TESTING ARCHITECTURE: TTS engine testing architecture IMPLEMENTATION: Test TTS engine functionality and backend selection TEST: Test TTS engine abstraction and backend selection



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# File 'lib/parse_animation_to_tts.rb', line 2734

def test_tts_engine_interface
  # REQUIREMENTS: Test TTS engine interface methods
  # SEMANTIC TOKENS: TTS_ENGINE_IFACE, METHOD_TESTING
  # ARCHITECTURE: TTS engine interface testing
  # IMPLEMENTATION: Test abstract TTS engine interface
  # TEST: Test TTS engine interface methods
  engine = TTSEngine.new
  
  assert_raises(NotImplementedError) { engine.generate_audio("test") }
  assert_raises(NotImplementedError) { engine.available? }
  assert_equal ['wav'], engine.supported_formats
  assert_equal 'TTSEngine', engine.name
end

#test_voice_settings_calculation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2337

def test_voice_settings_calculation
  # REQUIREMENTS: Test voice settings calculation
  # SEMANTIC TOKENS: TEST_VOICE_SETTINGS, SPEECH_SPEED, PITCH_MAPPING
  # ARCHITECTURE: Test voice settings architecture
  # IMPLEMENTATION: Test voice settings calculation
  # TEST: Test voice settings calculation
  
  content = "TEXT@(0..2)=red\"Short text\"\nTEXT@(0..10)=blue\"This is a much longer text that should have different speech speed calculation\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  assert_equal 2, segments.length
  
  # Test speech speed calculation
  assert segments[0]['voice_settings']['speed'] > 0
  assert segments[1]['voice_settings']['speed'] > 0
  
  # Test pitch mapping
  assert_equal 1.2, segments[0]['voice_settings']['pitch'] # red
  assert_equal 1.0, segments[1]['voice_settings']['pitch'] # blue
end

#test_voice_settings_validation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2618

def test_voice_settings_validation
  # REQUIREMENTS: Test voice settings validation
  # SEMANTIC TOKENS: TEST_VOICE_SETTINGS, SETTINGS_VALID, QUALITY_ASSURANCE
  # ARCHITECTURE: Test voice settings validation architecture
  # IMPLEMENTATION: Test voice settings validation
  # TEST: Test voice settings validation
  
  content = "TEXT@(0..1)=red\"Test voice settings\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  segments = parser.instance_variable_get(:@segments)
  segment = segments[0]
  voice_settings = segment['voice_settings']
  
  # Test all voice settings are present and valid
  assert voice_settings.key?('color')
  assert voice_settings.key?('speed')
  assert voice_settings.key?('volume')
  assert voice_settings.key?('pitch')
  
  assert voice_settings['speed'] > 0
  assert voice_settings['volume'] > 0
  assert voice_settings['pitch'] > 0
end

#test_yaml_generation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2399

def test_yaml_generation
  # REQUIREMENTS: Test YAML generation
  # SEMANTIC TOKENS: TEST_YAML_GEN, OUTPUT_FORMATTING, DATA_STRUCTURE
  # ARCHITECTURE: Test YAML generation architecture
  # IMPLEMENTATION: Test YAML generation
  # TEST: Test YAML generation
  
  content = "TEXT@(0..2)=red\"Test text\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  yaml_output = parser.generate_yaml
  yaml_data = YAML.load(yaml_output)
  
  assert yaml_data.key?('metadata')
  assert yaml_data.key?('audio_segments')
  assert yaml_data.key?('gaps')
  assert_equal 1, yaml_data['audio_segments'].length
end

#test_yaml_structure_validation ⇒ Object 



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# File 'lib/parse_animation_to_tts.rb', line 2669

def test_yaml_structure_validation
  # REQUIREMENTS: Test YAML structure validation
  # SEMANTIC TOKENS: TEST_YAML_STRUCTURE, STRUCTURE_VALID, FORMAT_VALID
  # ARCHITECTURE: Test YAML structure architecture
  # IMPLEMENTATION: Test YAML structure validation
  # TEST: Test YAML structure validation
  
  content = "TEXT@(0..1)=red\"Test YAML structure\""
  test_file = create_test_file(content)
  parser = AnimationToTTS.new([test_file], quiet: true)
  parser.parse
  
  yaml_output = parser.generate_yaml
  refute_nil yaml_output, "YAML output should not be nil"
  yaml_data = YAML.load(yaml_output)
  
  # Test YAML structure
  assert yaml_data.is_a?(Hash)
  assert yaml_data.key?('metadata')
  assert yaml_data.key?('audio_segments')
  assert yaml_data.key?('gaps')
  
  # Test metadata structure
  metadata = yaml_data['metadata']
  assert metadata.key?('generated_at')
  assert metadata.key?('source_files')
  assert metadata.key?('total_duration')
  assert metadata.key?('segment_count')
  assert metadata.key?('gap_count')
  assert metadata.key?('processing_complete')
end